<template>
  <div class="app-container">
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="8">
            <el-form-item label="关 键 字">
              <el-input v-model="searchObj.keyword" style="width: 95%" placeholder="用户名/姓名/手机号码" />
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="操作时间">
              <el-date-picker
                v-model="createTimes"
                type="datetimerange"
                range-separator="至"
                start-placeholder="开始时间"
                end-placeholder="结束时间"
                value-format="yyyy-MM-dd HH:mm:ss"
                style="margin-right: 10px;width: 100%;"
              />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button type="primary" icon="el-icon-search" size="mini" @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
        </el-row>
      </el-form>
    </div>
    <!-- 工具条 -->
    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success" icon="el-icon-plus" :disabled="$hasBP('bnt.sysUser.add') === false" size="mini" class="sys-role-add" @click="add">添 加</el-button>
      <el-button v-show="$hasBP('bnt.sysUser.remove') === true" class="btn-add" size="mini" type="danger" @click="batchRemove()">批量删除</el-button>
    </div>
    <!-- 列表 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
    >

      <el-table-column
        label="序号"
        width="70"
        align="center"
      >
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="username" label="用户名" width="180" />
      <el-table-column prop="name" label="姓名" width="110" />
      <el-table-column prop="phone" label="手机" />
      <el-table-column label="状态" width="80">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status === 1"
            @change="switchStatus(scope.row)"
          />
        </template>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间" />
      <el-table-column prop="updateTime" label="更新时间" />

      <el-table-column label="操作" align="center" fixed="right">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" :disabled="$hasBP('bnt.sysUser.update') === false" title="修改" @click="edit(scope.row.id)" />
          <el-button type="danger" icon="el-icon-delete" size="mini" :disabled="$hasBP('bnt.sysUser.remove') === false" title="删除" @click="removeDataById(scope.row.id)" />
          <el-button
            :disabled="$hasBP('bnt.sysUser.assignRole') === false"
            type="warning"
            icon="el-icon-s-operation"
            title="分配角色"
            size="mini"
            @click="showAssignRole(scope.row)"
          />
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />

    <!--修改弹窗-->
    <el-dialog :title="formTitle" :visible.sync="dialogVisible" width="40%">
      <el-form ref="dataForm" :model="sysUser" label-width="100px" size="small" style="padding-right: 40px;">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="sysUser.username" />
        </el-form-item>
        <el-form-item v-if="!sysUser.id" label="密码" prop="password">
          <el-input v-model="sysUser.password" type="password" />
        </el-form-item>
        <el-form-item label="姓名" prop="name">
          <el-input v-model="sysUser.name" />
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="sysUser.phone" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button size="small" icon="el-icon-refresh-right" @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" size="small" @click="saveOrUpdate()">确 定</el-button>
      </span>
    </el-dialog>

    <!--分配角色表单-->
    <el-dialog title="分配角色" :visible.sync="dialogRoleVisible">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input disabled :value="sysUser.username" />
        </el-form-item>

        <el-form-item label="角色列表">
          <el-checkbox v-model="checkAll" :indeterminate="isIndeterminate" @change="handleCheckAllChange">全选
          </el-checkbox>
          <div style="margin: 15px 0;" />
          <el-checkbox-group v-model="userRoleIds" @change="handleCheckedChange">
            <el-checkbox v-for="role in allRoles" :key="role.id" :label="role.id">{{ role.roleName }}</el-checkbox>
          </el-checkbox-group>
        </el-form-item>
      </el-form>
      <div slot="footer">
        <el-button type="primary" size="small" @click="assignRole">保存</el-button>
        <el-button size="small" @click="dialogRoleVisible = false">取消</el-button>
      </div>
    </el-dialog>
  </div>

</template>

<script>
import api from '@/api/admin/sysUser.js'
import userRoleApi from '@/api/admin/sysUserRole.js'

const defaultForm = {
  id: '',
  username: '',
  password: '',
  name: '',
  phone: '',
  status: 1
}
const defaultSearch = {
  createTimeBegin: '',
  createTimeEnd: '',
  keyword: ''
}
export default {
  data() {
    return {
      listLoading: true, // 数据是否正在加载
      list: null, // 表格数据
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 10, // 每页记录数
      searchObj: defaultSearch, // 查询表单对象

      createTimes: [],

      dialogVisible: false,
      sysUser: defaultForm,
      saveBtnDisabled: false,
      formTitle: '添加用户/编辑用户',

      // 角色分配表单
      dialogRoleVisible: false,
      allRoles: [], // 所有角色列表
      userRoleIds: [], // 用户的角色ID的列表
      isIndeterminate: false, // 是否是不确定的
      checkAll: false // 是否全选
    }
  },
  created() {
    this.fetchData()
  },
  methods: {
    async fetchData(page = 1) {
      debugger
      this.page = page
      if (this.createTimes && this.createTimes.length === 2) {
        this.searchObj.createTimeBegin = this.createTimes[0]
        this.searchObj.createTimeEnd = this.createTimes[1]
      }
      const { data } = await api.getPageList(this.page, this.limit, this.searchObj)
      this.listLoading = false
      this.list = data.records
      this.total = data.total
    },
    resetData() {
      this.searchObj = {}
      this.createTimes = {}
      this.fetchData()
    },
    add() {
      this.dialogVisible = true
      this.formTitle = '添加用户'
      // 深拷贝
      this.sysUser = Object.assign({}, defaultForm)
    },
    edit(id) {
      this.dialogVisible = true
      this.formTitle = '编辑用户'
      api.getById(id).then(response => {
        this.sysUser = response.data
      })
    },
    saveOrUpdate() {
      if (!this.sysUser.id) {
        this.save()
      } else {
        this.update()
      }
      this.dialogVisible = false
    },
    save() {
      api.save(this.sysUser).then(response => {
        this.$message.success(response.message || '操作成功')
        this.fetchData(this.page)
      })
    },
    update() {
      api.update(this.sysUser).then(response => {
        this.$message.success(response.message || '操作成功')
        this.fetchData(this.page)
      })
    },
    removeDataById(id) {
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => api.removeById(id))
        .then(response => {
          this.fetchData(this.page)
          this.$message.success(response.message || '删除成功')
        }).catch(() => this.$message.info('取消删除'))
    },
    switchStatus(row) {
      row.status = row.status === 1 ? 0 : 1
      api.updateStatus(row.id, row.status).then(response => {
        if (response.code) {
          this.$message.success(response.message || '操作成功')
          this.fetchData()
        }
      })
    },
    batchRemove() {
      if (this.multipleSelection.length === 0) {
        this.$message.warning('请选择要删除的记录！')
        return
      }
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 点击确定，远程调用ajax
        // 遍历selection，将id取出放入id列表
        var idList = []
        this.multipleSelection.forEach(item => {
          idList.push(item.id)
        })
        // 调用api
        return api.removeBatch(idList)
      }).then((response) => {
        this.fetchData()
        this.$message.success(response.message)
      }).catch(error => {
        if (error === 'cancel') {
          this.$message.info('取消删除')
        }
      })
    },
    showAssignRole(row) {
      this.sysUser = row
      this.dialogRoleVisible = true
      userRoleApi.getRoleInfo(row.id).then(response => {
        this.allRoles = response.data.allRoles
        this.userRoleIds = response.data.userRoleIds
        this.checkAll = this.userRoleIds.length === this.allRoles.length
        this.isIndeterminate = this.userRoleIds.length > 0 && this.userRoleIds.length < this.allRoles.length
      })
    },
    /*
      全选勾选状态发生改变的监听
    */
    handleCheckAllChange(value) {
      // value 当前勾选状态true/false
      this.userRoleIds = value ? this.allRoles.map(item => item.id) : []
      // 如果当前不是全选也不全不选时, 指定为false
      this.isIndeterminate = false
    },
    handleCheckedChange(value) {
      //
      const { userRoleIds, allRoles } = this
      this.checkAll = userRoleIds.length === allRoles.length && allRoles.length > 0
      this.isIndeterminate = userRoleIds.length > 0 && userRoleIds.length < allRoles.length
    },
    assignRole() {
      // 点击确定按钮后 进行分配角色
      this.dialogRoleVisible = false
      const assignRoleVo = {
        userId: this.sysUser.id,
        roleIdList: this.userRoleIds
      }
      userRoleApi.assignRoles(assignRoleVo).then(response => {
        this.$message.success(response.message || '分配角色成功')
        this.fetchData(this.page)
      })
    }
  }
}
</script>

<style scoped>
.search-div .search-input {
  width: 85%;
  float: left;
}

.tools-div .sys-role-add {
  margin-left: 80%;
}
</style>
